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      Intrahost distribution and trasmission of a new species of cyclopoid copepod endosymbiotic to a freshwater snail, Pomacea canaliculata (Caenogastropoda, Ampullariidae) from Argentina

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          Abstract

          A new species of cyclopoid copepod, Ozmana huarpium, is described as a symbiont to Pomacea canaliculata (Lamarck 1822) (Caenogastropoda, Ampullariidae). Rather large numbers (about one hundred copepods per snail) were found, although there was no evidence of harm to the host. To our knowledge, O. haemophila (symbiont to P. maculata), and the currently described species, O. huarpium, are the only copepod species ever recorded as endosymbionts to freshwater invertebrates. While O. haemophila is restricted to the haemocoel of its host, O. huarpium predominate in the penis sheath, the ctenidium and the mantle cavity, figuring in these pallial organs 63-65 % of total mature forms. The sex ratio of the symbiont is skewed to the female side in these organs, specially in male hosts. The hypothesis that a special female tropism for the male host's pallial organs might ensure interindividual transmission of the symbiont was tested, with indications that the symbiont is mainly transmitted during copulation.

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          Pomacea canaliculata (Gastropoda: Ampullariidae): life-history traits and their plasticity.

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            A new family of cyclopoid copepods (Ozmanidae) parasitic in the hemocoel of a snail from the Brazilian Amazon

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              On neotropicalTemnocephala(Platyhelminthes)

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                biocell
                Biocell
                Biocell
                Sociedad Latinoamericana de Microscopía Electrónica.; Centro Regional de Investigaciones Científicas y Tecnológicas (Mendoza, Argentina) (Mendoza )
                1667-5746
                August 2004
                : 28
                : 2
                : 155-164
                Affiliations
                [1 ] University of Cuyo Argentina
                Article
                S0327-95452004000200005
                a4d80bd7-3646-4774-bc45-91aadb2969a7

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Argentina

                Self URI (journal page): http://www.scielo.org.ar/scielo.php?script=sci_serial&pid=0327-9545&lng=en
                Categories
                BIOLOGY

                General life sciences
                Ozmanidae,Ozmana haemophila,Ozmana huarpium. n. sp.,Pallial organs,Haemocoel
                General life sciences
                Ozmanidae, Ozmana haemophila, Ozmana huarpium. n. sp., Pallial organs, Haemocoel

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